CVE-2026-100605

Flowise through 3.1.4 contains missing route-level RBAC checks on chat message endpoints that allow low-privileged API keys to read and delete chat history. Attackers with valid but low-privileged API keys can access GET and DELETE chat message routes without required flow permissions to read chat histories, prompts, model responses, and delete messages.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh
https://www.vulncheck.com/advisories/flowise-through-3.1.4-missing-authorization-via-chat-message-routes
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh

Configurations

No configuration.

History

30 Sep 2026, 13:17

Type	Values Removed	Values Added
References	~~() https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh -~~	() https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh -

26 Sep 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 14:16

Updated : 2026-09-30 13:17

NVD link : CVE-2026-100605

Mitre link : CVE-2026-100605

CVE.ORG link : CVE-2026-100605

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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